<!doctype html>

<html>
<head>
  <link rel="shortcut icon" href="static/images/favicon.ico" type="image/x-icon">
  <title>mechanismsharingtester.js (Closure Library API Documentation - JavaScript)</title>
  <link rel="stylesheet" href="static/css/base.css">
  <link rel="stylesheet" href="static/css/doc.css">
  <link rel="stylesheet" href="static/css/sidetree.css">
  <link rel="stylesheet" href="static/css/prettify.css">

  <script>
     var _staticFilePath = "static/";
     var _typeTreeName = "goog";
     var _fileTreeName = "Source";
  </script>

  <script src="static/js/doc.js">
  </script>


  <meta charset="utf8">
</head>

<body onload="grokdoc.onLoad();">

<div id="header">
  <div class="g-section g-tpl-50-50 g-split">
    <div class="g-unit g-first">
      <a id="logo" href="index.html">Closure Library API Documentation</a>
    </div>

    <div class="g-unit">
      <div class="g-c">
        <strong>Go to class or file:</strong>
        <input type="text" id="ac">
      </div>
    </div>
  </div>
</div>

<div class="clear"></div>

<h2><a href="closure_goog_storage_mechanism_mechanismsharingtester.js.html">mechanismsharingtester.js</a></h2>

<pre class="prettyprint lang-js">
<a name="line1"></a>// Copyright 2011 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>/**
<a name="line16"></a> * @fileoverview Unit tests for storage mechanism sharing.
<a name="line17"></a> *
<a name="line18"></a> * These tests should be included in tests of any storage mechanism in which
<a name="line19"></a> * separate mechanism instances share the same underlying storage. Most (if
<a name="line20"></a> * not all) storage mechanisms should have this property. If the mechanism
<a name="line21"></a> * employs namespaces, make sure the same namespace is used for both objects.
<a name="line22"></a> *
<a name="line23"></a> */
<a name="line24"></a>
<a name="line25"></a>goog.provide(&#39;goog.storage.mechanism.mechanismSharingTester&#39;);
<a name="line26"></a>
<a name="line27"></a>goog.require(&#39;goog.iter.Iterator&#39;);
<a name="line28"></a>goog.require(&#39;goog.storage.mechanism.IterableMechanism&#39;);
<a name="line29"></a>goog.require(&#39;goog.testing.asserts&#39;);
<a name="line30"></a>goog.setTestOnly(&#39;goog.storage.mechanism.mechanismSharingTester&#39;);
<a name="line31"></a>
<a name="line32"></a>
<a name="line33"></a>var mechanism = null;
<a name="line34"></a>var mechanism_shared = null;
<a name="line35"></a>
<a name="line36"></a>
<a name="line37"></a>function testSharedSet() {
<a name="line38"></a>  if (!mechanism || !mechanism_shared) {
<a name="line39"></a>    return;
<a name="line40"></a>  }
<a name="line41"></a>  mechanism.set(&#39;first&#39;, &#39;one&#39;);
<a name="line42"></a>  assertEquals(&#39;one&#39;, mechanism_shared.get(&#39;first&#39;));
<a name="line43"></a>  assertEquals(1, mechanism_shared.getCount());
<a name="line44"></a>  var iterator = mechanism_shared.__iterator__();
<a name="line45"></a>  assertEquals(&#39;one&#39;, iterator.next());
<a name="line46"></a>  assertEquals(goog.iter.StopIteration,
<a name="line47"></a>               assertThrows(iterator.next));
<a name="line48"></a>}
<a name="line49"></a>
<a name="line50"></a>
<a name="line51"></a>function testSharedSetInverse() {
<a name="line52"></a>  if (!mechanism || !mechanism_shared) {
<a name="line53"></a>    return;
<a name="line54"></a>  }
<a name="line55"></a>  mechanism_shared.set(&#39;first&#39;, &#39;two&#39;);
<a name="line56"></a>  assertEquals(&#39;two&#39;, mechanism.get(&#39;first&#39;));
<a name="line57"></a>  assertEquals(1, mechanism.getCount());
<a name="line58"></a>  var iterator = mechanism.__iterator__();
<a name="line59"></a>  assertEquals(&#39;two&#39;, iterator.next());
<a name="line60"></a>  assertEquals(goog.iter.StopIteration,
<a name="line61"></a>               assertThrows(iterator.next));
<a name="line62"></a>}
<a name="line63"></a>
<a name="line64"></a>
<a name="line65"></a>function testSharedRemove() {
<a name="line66"></a>  if (!mechanism || !mechanism_shared) {
<a name="line67"></a>    return;
<a name="line68"></a>  }
<a name="line69"></a>  mechanism_shared.set(&#39;first&#39;, &#39;three&#39;);
<a name="line70"></a>  mechanism.remove(&#39;first&#39;);
<a name="line71"></a>  assertNull(mechanism_shared.get(&#39;first&#39;));
<a name="line72"></a>  assertEquals(0, mechanism_shared.getCount());
<a name="line73"></a>  assertEquals(goog.iter.StopIteration,
<a name="line74"></a>               assertThrows(mechanism_shared.__iterator__().next));
<a name="line75"></a>}
<a name="line76"></a>
<a name="line77"></a>
<a name="line78"></a>function testSharedClean() {
<a name="line79"></a>  if (!mechanism || !mechanism_shared) {
<a name="line80"></a>    return;
<a name="line81"></a>  }
<a name="line82"></a>  mechanism.set(&#39;first&#39;, &#39;four&#39;);
<a name="line83"></a>  mechanism_shared.clear();
<a name="line84"></a>  assertEquals(0, mechanism.getCount());
<a name="line85"></a>  assertEquals(goog.iter.StopIteration,
<a name="line86"></a>               assertThrows(mechanism.__iterator__().next));
<a name="line87"></a>}
</pre>


</body>
</html>
